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OMEGA CN743 Temperature Controller

The CN740 Series DIN Temperature Controllers provide precise temperature measurement and control in industrial environments, featuring dual displays for process and set-point values, autotune functions, and RS485 communication protocol. Suitable for direct or reverse acting control, they support multiple input types such as thermocouples and RTDs, offering various control methods including relay, DC pulse, and 4-20 mA current outputs. With IP66 front panel rating, alarms, and manual or autotuning PID control, these units are ideal for reliable temperature management in manufacturing, laboratory, or automation settings.

Authorized Distributors
Source:Newark
Part No:CN743
Stock:29
Inv Date:06-12-2026
Price: Unit price: $187.65
Buy/RFQ:

OMEGA CN743 Temperature Controller Specifications:

  • Inputs: Thermocouple, RTD, see chart
  • Display: Two 4-digit, 7 segment LEDs, 6.35 mm H (0.25")
  • PV: Red, SV: Green
  • Accuracy: +0.25% span, +1 least significant digit
  • Supply Voltage: 100 to 240 Vac, 50/60 Hz
  • Power Consumption: 5 VA max
  • Operating Temperature: 0 to 50°C (32 to 122°F)
  • Memory Backup: Nonvolatile memory
  • Control Output Ratings: Relay: SPST, 5A @ 250 Vac resistive; Voltage Pulse: 14 Vdc, 10 to -20%, max 40 mA; Current: 4 to 20 mA
  • Communication: RS485 MODBUS® protocol
  • Panel Cut-Out: 45 mm (1.77 in); Front Bezel: 48 mm (1.89 in); Max Panel Thickness: 9.50 mm (0.375")
  • Panel Depth: 80 mm (3.15")
  • Weight: 114 g (4 oz)
  • Front Panel Rating: IP66

Buy the Buy Omega CN740 Series Temperature Controller Part Number CN743 Online

Purchase the Omega CN740 Series Temperature Controller online today to ensure accurate temperature management in your industrial processes. Featuring dual displays, RS485 communication, multiple input types including thermocouples and RTDs, and adjustable control methods such as relay, DC pulse, and 4-20 mA outputs, this device offers excellent flexibility. Its robust IP66 front panel withstands harsh environments. Automated autotuning, alarm functions, and manual PID control support make it ideal for manufacturing, laboratory, or automation projects, providing dependable and precise temperature control accessible through simple online ordering.

Order your Omega CN740 Series CN743 temperature controller today and ensure precise, reliable temperature regulation with advanced control functions.

Frequently Asked Questions

Where can I buy OMEGA CN743?

You can click on the BUY or RFQ button to purchase CN743 from an authorized OMEGA distributor.

How do I troubleshoot issues or seek technical support for part CN743?

You can download the CN743 datasheet or visit the OMEGA website for support.

Who is the manufacturer of CN743?

OMEGA

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